52157610321 has 8 divisors (see below), whose sum is σ = 69945466560. Its totient is φ = 34570747152.

The previous prime is 52157610313. The next prime is 52157610343. The reversal of 52157610321 is 12301675125.

52157610321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52157610321 - 2³ = 52157610313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52157610311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50247661 + ... + 50248698.

It is an arithmetic number, because the mean of its divisors is an integer number (8743183320).

Almost surely, 2^52157610321 is an apocalyptic number.

It is an amenable number.

52157610321 is a deficient number, since it is larger than the sum of its proper divisors (17787856239).

52157610321 is a wasteful number, since it uses less digits than its factorization.

52157610321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100496535.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 52157610321 in words is "fifty-two billion, one hundred fifty-seven million, six hundred ten thousand, three hundred twenty-one".